{
   "epochs": [ {
      "calculation_time": "13366660757651495",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367323797419427",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "BDDFC7320874973A3C6EF0659446A37BDA94A159EDA095B1AB70D623FB350CB4",
   "next_scheduled_calculation_time": "13367928597419559"
}
